Back around Google I/O, a talk revealed that Google was building a requirement for security updates into its agreement with Android OEMs … Documentation acquired by The Verge reveals a handful of new details regarding how Google plans to require OEMs to provide regular security updates … A spokesperson for Google says that the 90-day requirement is a minimum security hygiene requirement and that the majority of the deployed devices for over 200 different Android Model S from over 30 Android device manufacturers are running a security update from the last 90 days.